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pointer arithmetic reworked to be more portable

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This commit is contained in:
Joel Sherrill
1996-09-18 20:55:53 +00:00
parent be95da0e19
commit 5697c2817c
3 changed files with 24 additions and 24 deletions
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16
c/src/lib/libmisc/stackchk/check.c
View File

@@ -84,11 +84,11 @@ Stack_check_Control Stack_check_Pattern;
#if ( CPU_STACK_GROWS_UP == TRUE ) #if ( CPU_STACK_GROWS_UP == TRUE )
#define Stack_check_Get_pattern_area( _the_stack ) \ #define Stack_check_Get_pattern_area( _the_stack ) \
((Stack_check_Control *) \ ((Stack_check_Control *) ((char *)(_the_stack)->area + \
((_the_stack)->area + (_the_stack)->size - sizeof( Stack_check_Control ) )) (_the_stack)->size - sizeof( Stack_check_Control ) ))
#define Stack_check_Calculate_used( _low, _size, _high_water ) \ #define Stack_check_Calculate_used( _low, _size, _high_water ) \
((_high_water) - (_low)) ((char *)(_high_water) - (char *)(_low))
#define Stack_check_usable_stack_start(_the_stack) \ #define Stack_check_usable_stack_start(_the_stack) \
((_the_stack)->area) ((_the_stack)->area)
@@ -96,13 +96,13 @@ Stack_check_Control Stack_check_Pattern;
#else #else
#define Stack_check_Get_pattern_area( _the_stack ) \ #define Stack_check_Get_pattern_area( _the_stack ) \
((Stack_check_Control *) ((_the_stack)->area + HEAP_OVERHEAD)) ((Stack_check_Control *) ((char *)(_the_stack)->area + HEAP_OVERHEAD))
#define Stack_check_Calculate_used( _low, _size, _high_water) \ #define Stack_check_Calculate_used( _low, _size, _high_water) \
( ((_low) + (_size)) - (_high_water) ) ( ((char *)(_low) + (_size)) - (char *)(_high_water) )
#define Stack_check_usable_stack_start(_the_stack) \ #define Stack_check_usable_stack_start(_the_stack) \
((_the_stack)->area + sizeof(Stack_check_Control)) ((char *)(_the_stack)->area + sizeof(Stack_check_Control))
#endif #endif
@@ -224,8 +224,8 @@ void Stack_check_Initialize( void )
if (_CPU_Interrupt_stack_low && _CPU_Interrupt_stack_high) if (_CPU_Interrupt_stack_low && _CPU_Interrupt_stack_high)
{ {
stack_check_interrupt_stack.area = _CPU_Interrupt_stack_low; stack_check_interrupt_stack.area = _CPU_Interrupt_stack_low;
stack_check_interrupt_stack.size = _CPU_Interrupt_stack_high - stack_check_interrupt_stack.size = (char *) _CPU_Interrupt_stack_high -
_CPU_Interrupt_stack_low; (char *) _CPU_Interrupt_stack_low;
stack_check_dope_stack(&stack_check_interrupt_stack); stack_check_dope_stack(&stack_check_interrupt_stack);
} }

16
c/src/libmisc/stackchk/check.c
View File

@@ -84,11 +84,11 @@ Stack_check_Control Stack_check_Pattern;
#if ( CPU_STACK_GROWS_UP == TRUE ) #if ( CPU_STACK_GROWS_UP == TRUE )
#define Stack_check_Get_pattern_area( _the_stack ) \ #define Stack_check_Get_pattern_area( _the_stack ) \
((Stack_check_Control *) \ ((Stack_check_Control *) ((char *)(_the_stack)->area + \
((_the_stack)->area + (_the_stack)->size - sizeof( Stack_check_Control ) )) (_the_stack)->size - sizeof( Stack_check_Control ) ))
#define Stack_check_Calculate_used( _low, _size, _high_water ) \ #define Stack_check_Calculate_used( _low, _size, _high_water ) \
((_high_water) - (_low)) ((char *)(_high_water) - (char *)(_low))
#define Stack_check_usable_stack_start(_the_stack) \ #define Stack_check_usable_stack_start(_the_stack) \
((_the_stack)->area) ((_the_stack)->area)
@@ -96,13 +96,13 @@ Stack_check_Control Stack_check_Pattern;
#else #else
#define Stack_check_Get_pattern_area( _the_stack ) \ #define Stack_check_Get_pattern_area( _the_stack ) \
((Stack_check_Control *) ((_the_stack)->area + HEAP_OVERHEAD)) ((Stack_check_Control *) ((char *)(_the_stack)->area + HEAP_OVERHEAD))
#define Stack_check_Calculate_used( _low, _size, _high_water) \ #define Stack_check_Calculate_used( _low, _size, _high_water) \
( ((_low) + (_size)) - (_high_water) ) ( ((char *)(_low) + (_size)) - (char *)(_high_water) )
#define Stack_check_usable_stack_start(_the_stack) \ #define Stack_check_usable_stack_start(_the_stack) \
((_the_stack)->area + sizeof(Stack_check_Control)) ((char *)(_the_stack)->area + sizeof(Stack_check_Control))
#endif #endif
@@ -224,8 +224,8 @@ void Stack_check_Initialize( void )
if (_CPU_Interrupt_stack_low && _CPU_Interrupt_stack_high) if (_CPU_Interrupt_stack_low && _CPU_Interrupt_stack_high)
{ {
stack_check_interrupt_stack.area = _CPU_Interrupt_stack_low; stack_check_interrupt_stack.area = _CPU_Interrupt_stack_low;
stack_check_interrupt_stack.size = _CPU_Interrupt_stack_high - stack_check_interrupt_stack.size = (char *) _CPU_Interrupt_stack_high -
_CPU_Interrupt_stack_low; (char *) _CPU_Interrupt_stack_low;
stack_check_dope_stack(&stack_check_interrupt_stack); stack_check_dope_stack(&stack_check_interrupt_stack);
} }

16
cpukit/libmisc/stackchk/check.c
View File

@@ -84,11 +84,11 @@ Stack_check_Control Stack_check_Pattern;
#if ( CPU_STACK_GROWS_UP == TRUE ) #if ( CPU_STACK_GROWS_UP == TRUE )
#define Stack_check_Get_pattern_area( _the_stack ) \ #define Stack_check_Get_pattern_area( _the_stack ) \
((Stack_check_Control *) \ ((Stack_check_Control *) ((char *)(_the_stack)->area + \
((_the_stack)->area + (_the_stack)->size - sizeof( Stack_check_Control ) )) (_the_stack)->size - sizeof( Stack_check_Control ) ))
#define Stack_check_Calculate_used( _low, _size, _high_water ) \ #define Stack_check_Calculate_used( _low, _size, _high_water ) \
((_high_water) - (_low)) ((char *)(_high_water) - (char *)(_low))
#define Stack_check_usable_stack_start(_the_stack) \ #define Stack_check_usable_stack_start(_the_stack) \
((_the_stack)->area) ((_the_stack)->area)
@@ -96,13 +96,13 @@ Stack_check_Control Stack_check_Pattern;
#else #else
#define Stack_check_Get_pattern_area( _the_stack ) \ #define Stack_check_Get_pattern_area( _the_stack ) \
((Stack_check_Control *) ((_the_stack)->area + HEAP_OVERHEAD)) ((Stack_check_Control *) ((char *)(_the_stack)->area + HEAP_OVERHEAD))
#define Stack_check_Calculate_used( _low, _size, _high_water) \ #define Stack_check_Calculate_used( _low, _size, _high_water) \
( ((_low) + (_size)) - (_high_water) ) ( ((char *)(_low) + (_size)) - (char *)(_high_water) )
#define Stack_check_usable_stack_start(_the_stack) \ #define Stack_check_usable_stack_start(_the_stack) \
((_the_stack)->area + sizeof(Stack_check_Control)) ((char *)(_the_stack)->area + sizeof(Stack_check_Control))
#endif #endif
@@ -224,8 +224,8 @@ void Stack_check_Initialize( void )
if (_CPU_Interrupt_stack_low && _CPU_Interrupt_stack_high) if (_CPU_Interrupt_stack_low && _CPU_Interrupt_stack_high)
{ {
stack_check_interrupt_stack.area = _CPU_Interrupt_stack_low; stack_check_interrupt_stack.area = _CPU_Interrupt_stack_low;
stack_check_interrupt_stack.size = _CPU_Interrupt_stack_high - stack_check_interrupt_stack.size = (char *) _CPU_Interrupt_stack_high -
_CPU_Interrupt_stack_low; (char *) _CPU_Interrupt_stack_low;
stack_check_dope_stack(&stack_check_interrupt_stack); stack_check_dope_stack(&stack_check_interrupt_stack);
} }